conservancy_beancount/tests/test_reports_spreadsheet.py

"""test_reports_spreadsheet - Unit tests for spreadsheet classes"""
# Copyright © 2020  Brett Smith
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

import datetime
import io
import itertools
import re

import pytest

import babel.core
import babel.numbers
import odf.config
import odf.meta
import odf.number
import odf.style
import odf.table
import odf.text

from decimal import Decimal

from . import testutil

from conservancy_beancount import rtutil
from conservancy_beancount.reports import core

EN_US = babel.core.Locale('en', 'US')

XML_NAMES_LIST = [None, 'ce2', 'xml_testname']
XML_NAMES = itertools.cycle(XML_NAMES_LIST)

CURRENCY_CELL_DATA = [
    (Decimal('10.101010'), 'BRL'),
    (Decimal('-50.50'), 'GBP'),
]

LINK_CELL_DATA = [
    'https://example.org',
    ('https://example.net', None),
    ('https://example.com', 'Example Site'),
]

NUMERIC_CELL_DATA = [
    42,
    42.42,
    Decimal('42.42'),
]

STRING_CELL_DATA = [
    'Example String',
    LINK_CELL_DATA[0],
]

class BaseTester(core.BaseSpreadsheet[tuple, str]):
    def __init__(self):
        self.start_call = None
        self.end_call = None
        self.started_sections = []
        self.ended_sections = []
        self.written_rows = []

    def section_key(self, row):
        return row[0]

    def start_spreadsheet(self):
        self.start_call = self.started_sections.copy()

    def start_section(self, key):
        self.started_sections.append(key)

    def end_section(self, key):
        self.ended_sections.append(key)

    def end_spreadsheet(self):
        self.end_call = self.ended_sections.copy()

    def write_row(self, key):
        self.written_rows.append(key)


class ODSTester(core.BaseODS[tuple, str]):
    def section_key(self, row):
        return row[0]


@pytest.fixture
def spreadsheet():
    return BaseTester()

@pytest.fixture
def ods_writer():
    retval = ODSTester()
    retval.locale = EN_US
    return retval

def get_children(parent, child_type, **kwargs):
    return [elem for elem in parent.getElementsByType(child_type)
            if all(elem.getAttribute(k) == v for k, v in kwargs.items())]

def get_child(parent, child_type, index=-1, **kwargs):
    try:
        return get_children(parent, child_type, **kwargs)[index]
    except IndexError:
        raise ValueError("no matching child found") from None

def iter_text(parent):
    for child in parent.childNodes:
        if isinstance(child, odf.element.Text):
            yield child.data
        else:
            yield from iter_text(child)

def get_text(parent, joiner=''):
    return joiner.join(iter_text(parent))

def check_currency_style(curr_style):
    child_names = {child.tagName for child in curr_style.childNodes}
    assert odf.number.Number().tagName in child_names
    assert len(child_names) > 1

def test_spreadsheet(spreadsheet):
    rows = [(ch, ii) for ii, ch in enumerate('aabbcc', 1)]
    spreadsheet.write(iter(rows))
    assert spreadsheet.written_rows == rows
    assert spreadsheet.ended_sections == spreadsheet.started_sections
    assert spreadsheet.started_sections == list('abc')
    assert spreadsheet.start_call == []
    assert spreadsheet.end_call == spreadsheet.ended_sections

def test_empty_spreadsheet(spreadsheet):
    empty_list = []
    spreadsheet.write(iter(empty_list))
    assert spreadsheet.start_call == empty_list
    assert spreadsheet.end_call == empty_list
    assert spreadsheet.started_sections == empty_list
    assert spreadsheet.ended_sections == empty_list
    assert spreadsheet.written_rows == empty_list

def test_one_section_spreadsheet(spreadsheet):
    rows = [('A', n) for n in range(1, 4)]
    spreadsheet.write(iter(rows))
    assert spreadsheet.written_rows == rows
    assert spreadsheet.ended_sections == spreadsheet.started_sections
    assert spreadsheet.started_sections == list('A')
    assert spreadsheet.start_call == []
    assert spreadsheet.end_call == spreadsheet.ended_sections

def test_ods_writer(ods_writer):
    rows = [(ch, ii) for ii, ch in enumerate('aabbcc', 1)]
    ods_writer.write(iter(rows))
    sheets = ods_writer.document.getElementsByType(odf.table.Table)
    assert len(sheets) == 1
    for exp_row, act_row in zip(rows, testutil.ODSCell.from_sheet(sheets[0])):
        expected1, expected2 = exp_row
        actual1, actual2 = act_row
        assert actual1.value_type == 'string'
        assert actual1.text == expected1
        assert actual2.value_type == 'float'
        assert actual2.value == expected2
        assert actual2.text == str(expected2)

@pytest.mark.parametrize('save_type', ['file', 'path'])
def test_ods_writer_save(tmp_path, save_type):
    rows = list(zip('ABC', 'abc'))
    ods_writer = ODSTester()
    ods_writer.write(iter(rows))
    if save_type == 'file':
        ods_output = io.BytesIO()
        ods_writer.save_file(ods_output)
        ods_output.seek(0)
    else:
        ods_output = tmp_path / 'SavePathTest.ods'
        ods_writer.save_path(ods_output)
    for exp_row, act_row in zip(rows, testutil.ODSCell.from_ods_file(ods_output)):
        assert len(exp_row) == len(act_row)
        for expected, actual in zip(exp_row, act_row):
            assert actual.value_type == 'string'
            assert actual.value is None
            assert actual.text == expected

def test_ods_writer_use_sheet(ods_writer):
    names = ['One', 'Two']
    for name in names:
        ods_writer.use_sheet(name)
        ods_writer.write([(name,)])
    ods_writer.use_sheet('End')
    sheets = ods_writer.document.getElementsByType(odf.table.Table)
    assert len(sheets) == len(names) + 1
    for name, sheet in zip(names, sheets):
        texts = [cell.text for row in testutil.ODSCell.from_sheet(sheet)
                 for cell in row]
        assert texts == [name]

def test_ods_writer_use_sheet_returns_to_prior_sheets(ods_writer):
    names = ['One', 'Two']
    sheets = []
    for name in names:
        sheets.append(ods_writer.use_sheet(name))
        ods_writer.write([(name,)])
    for name, expected in zip(names, sheets):
        actual = ods_writer.use_sheet(name)
        assert actual is expected
        texts = [cell.text for row in testutil.ODSCell.from_sheet(actual)
                 for cell in row]
        assert texts == [name]

def test_ods_writer_use_sheet_discards_unused_sheets(ods_writer):
    ods_writer.use_sheet('Three')
    ods_writer.use_sheet('Two')
    ods_writer.use_sheet('One')
    sheets = ods_writer.document.getElementsByType(odf.table.Table)
    assert len(sheets) == 1
    assert sheets[0].getAttribute('name') == 'One'

@pytest.mark.parametrize('width,expect_name', [
    ('.750', 'col_0_75in'),
    (2, 'col_2in'),
    ('2.2in', 'col_2_2in'),
    (3.5, 'col_3_5in'),
    ('4cm', 'col_4cm'),
])
def test_ods_column_style(ods_writer, width, expect_name):
    style = ods_writer.column_style(width)
    assert style.getAttribute('name') == expect_name
    assert style.getAttribute('family') == 'table-column'
    curr_style = get_child(
        ods_writer.document.automaticstyles,
        odf.style.Style,
        name=expect_name,
    )
    assert get_child(
        curr_style,
        odf.style.TableColumnProperties,
        columnwidth=expect_name[4:].replace('_', '.'),
    )

def test_ods_column_style_caches(ods_writer):
    int_width = ods_writer.column_style('1in')
    float_width = ods_writer.column_style('1.00in')
    assert int_width is float_width

@pytest.mark.parametrize('width', [
    '1mi',
    '0in',
    '-1cm',
    'in',
    '.cm',
])
def test_ods_column_style_invalid_width(ods_writer, width):
    with pytest.raises(ValueError):
        ods_writer.column_style(width)

@pytest.mark.parametrize('currency_code', [
    'USD',
    'EUR',
    'BRL',
])
def test_ods_currency_style(ods_writer, currency_code):
    style = ods_writer.currency_style(currency_code)
    assert style.getAttribute('family') == 'table-cell'
    curr_style = get_child(
        ods_writer.document.styles,
        odf.number.CurrencyStyle,
        name=style.getAttribute('datastylename'),
    )
    check_currency_style(curr_style)
    mappings = get_children(curr_style, odf.style.Map)
    assert mappings
    for mapping in mappings:
        check_currency_style(get_child(
            ods_writer.document.styles,
            odf.number.CurrencyStyle,
            name=mapping.getAttribute('applystylename'),
        ))

def test_ods_currency_style_caches(ods_writer):
    expected = ods_writer.currency_style('USD')
    _ = ods_writer.currency_style('EUR')
    actual = ods_writer.currency_style('USD')
    assert actual is expected

def test_ods_currency_style_cache_considers_properties(ods_writer):
    bold_text = odf.style.TextProperties(fontweight='bold')
    plain = ods_writer.currency_style('USD')
    bold = ods_writer.currency_style('USD', positive_properties=bold_text)
    assert plain is not bold
    assert plain.getAttribute('name') != bold.getAttribute('name')
    assert plain.getAttribute('datastylename') != bold.getAttribute('datastylename')

@pytest.mark.parametrize('attr_name,child_type,checked_attr', [
    ('style_bold', odf.style.TextProperties, 'fontweight'),
    ('style_centertext', odf.style.ParagraphProperties, 'textalign'),
    ('style_endtext', odf.style.ParagraphProperties, 'textalign'),
    ('style_starttext', odf.style.ParagraphProperties, 'textalign'),
    ('style_total', odf.style.TableCellProperties, 'bordertop'),
    ('style_endtotal', odf.style.TableCellProperties, 'borderbottom'),
    ('style_bottomline', odf.style.TableCellProperties, 'borderbottom'),
])
def test_ods_writer_style(ods_writer, attr_name, child_type, checked_attr):
    root = ods_writer.document.styles
    style = getattr(ods_writer, attr_name)
    actual = get_child(root, odf.style.Style, name=style.getAttribute('name'))
    assert actual is style
    child = get_child(actual, child_type)
    assert child.getAttribute(checked_attr)

@pytest.mark.parametrize('edges,width,style,color', [
    (core.Border.TOP,
     '5px', 'solid', '#ff0000'),
    (core.Border.RIGHT | core.Border.LEFT,
     '2pt', 'dashed', '#00ff00'),
    (core.Border.BOTTOM | core.Border.RIGHT | core.Border.LEFT,
     '1em', 'dotted', '#0000ff'),
    (core.Border.TOP | core.Border.BOTTOM | core.Border.RIGHT | core.Border.LEFT,
     '1cm', 'thick', '#aaaaaa'),
])
def test_ods_writer_border_style(ods_writer, edges, width, style, color):
    actual = ods_writer.border_style(edges, width, style, color)
    props, = actual.childNodes
    attr_s = f'{width} {style} {color}'
    for edge_exp, edge_name in enumerate(['top', 'right', 'bottom', 'left']):
        expected = attr_s if edges & (2 ** edge_exp) else None
        assert props.getAttribute(f'border{edge_name}') == expected

def test_ods_writer_border_style_caches(ods_writer):
    expected = ods_writer.border_style(core.Border.TOP)
    width, style, color = expected.childNodes[0].getAttribute('bordertop').split()
    actual = ods_writer.border_style(core.Border.TOP, width, style, color)
    assert actual is expected

@pytest.mark.parametrize('argname,val1,val2', [
    ('edges', core.Border.TOP, core.Border.LEFT),
    ('edges', core.Border.TOP, core.Border.TOP | core.Border.BOTTOM),
    ('style', 'solid', 'dashed'),
    ('width', '1px', '1em'),
    ('width', '1px', '2px'),
    ('color', '#0000fe', '#0000ff'),
])
def test_ods_writer_border_no_caching(ods_writer, argname, val1, val2):
    kwargs = {'edges': core.Border.TOP}
    kwargs[argname] = val1
    style1 = ods_writer.border_style(**kwargs)
    kwargs[argname] = val2
    style2 = ods_writer.border_style(**kwargs)
    assert style1 is not style2

def test_ods_writer_merge_styles(ods_writer):
    border_style = ods_writer.border_style(core.Border.BOTTOM)
    style = ods_writer.merge_styles(ods_writer.style_bold, border_style)
    actual = get_child(
        ods_writer.document.styles,
        odf.style.Style,
        name=style.getAttribute('name'),
    )
    assert actual is style
    assert actual.getAttribute('family') == 'table-cell'
    text_props = get_child(actual, odf.style.TextProperties)
    assert text_props.getAttribute('fontweight') == 'bold'
    cell_props = get_child(actual, odf.style.TableCellProperties)
    assert cell_props.getAttribute('borderbottom')

def test_ods_writer_merge_styles_with_children_and_attributes(ods_writer):
    jpy_style = ods_writer.currency_style('JPY')
    style = ods_writer.merge_styles(ods_writer.style_bold, jpy_style)
    actual = get_child(
        ods_writer.document.styles,
        odf.style.Style,
        name=style.getAttribute('name'),
    )
    assert actual is style
    assert actual.getAttribute('family') == 'table-cell'
    assert actual.getAttribute('datastylename') == jpy_style.getAttribute('datastylename')
    text_props = get_child(actual, odf.style.TextProperties)
    assert text_props.getAttribute('fontweight') == 'bold'

def test_ods_writer_merge_styles_caches(ods_writer):
    sources = [ods_writer.style_bold, ods_writer.style_centertext]
    style1 = ods_writer.merge_styles(*sources)
    style2 = ods_writer.merge_styles(*reversed(sources))
    assert style1 is style2
    assert get_child(
        ods_writer.document.styles,
        odf.style.Style,
        name=style1.getAttribute('name'),
    )

def test_ods_writer_layer_merge_styles(ods_writer):
    usd_style = ods_writer.currency_style('USD')
    border_style = ods_writer.border_style(core.Border.BOTTOM)
    layer1 = ods_writer.merge_styles(ods_writer.style_bold, border_style)
    layer2 = ods_writer.merge_styles(layer1, usd_style)
    style_name = layer2.getAttribute('name')
    assert style_name.count('Merge_') == 1
    actual = get_child(
        ods_writer.document.styles,
        odf.style.Style,
        name=style_name,
    )
    assert actual is layer2
    assert actual.getAttribute('family') == 'table-cell'
    assert actual.getAttribute('datastylename') == usd_style.getAttribute('datastylename')
    text_props = get_child(actual, odf.style.TextProperties)
    assert text_props.getAttribute('fontweight') == 'bold'
    cell_props = get_child(actual, odf.style.TableCellProperties)
    assert cell_props.getAttribute('borderbottom')

def test_ods_writer_merge_one_style(ods_writer):
    actual = ods_writer.merge_styles(None, ods_writer.style_bold)
    assert actual is ods_writer.style_bold

def test_ods_writer_merge_no_styles(ods_writer):
    assert ods_writer.merge_styles() is None

def test_ods_writer_merge_nonexistent_style(ods_writer):
    name = 'Non Existent Style'
    with pytest.raises(ValueError, match=repr(name)):
        ods_writer.merge_styles(ods_writer.style_bold, name)

def test_ods_writer_merge_conflicting_styles(ods_writer):
    sources = [ods_writer.currency_style(code) for code in ['USD', 'EUR']]
    with pytest.raises(ValueError, match='conflicting datastylename'):
        ods_writer.merge_styles(*sources)

def test_ods_writer_date_style(ods_writer):
    data_style_name = ods_writer.style_date.getAttribute('datastylename')
    actual = get_child(
        ods_writer.document.styles,
        odf.style.Style,
        family='table-cell',
        datastylename=data_style_name,
    )
    assert actual is ods_writer.style_date
    data_style = get_child(
        ods_writer.document.styles,
        odf.number.DateStyle,
        name=data_style_name,
    )
    assert len(data_style.childNodes) == 5
    year, t1, month, t2, day = data_style.childNodes
    assert year.qname[1] == 'year'
    assert year.getAttribute('style') == 'long'
    assert get_text(t1) == '-'
    assert month.qname[1] == 'month'
    assert month.getAttribute('style') == 'long'
    assert get_text(t2) == '-'
    assert day.qname[1] == 'day'
    assert day.getAttribute('style') == 'long'

@pytest.mark.parametrize('method_name,split_name,side_name', [
    ('lock_first_row', 'Vertical', 'Bottom'),
    ('lock_first_column', 'Horizontal', 'Right'),
])
def test_ods_lock_first_cells(ods_writer, method_name, split_name, side_name):
    getattr(ods_writer, method_name)()
    view_settings = get_child(
        ods_writer.document.settings,
        odf.config.ConfigItemSet,
        name='ooo:view-settings',
    )
    views = get_child(view_settings, odf.config.ConfigItemMapIndexed, name='Views')
    view1 = get_child(views, odf.config.ConfigItemMapEntry, index=0)
    config_map = get_child(view1, odf.config.ConfigItemMapNamed, name='Tables')
    sheet_name = ods_writer.sheet.getAttribute('name')
    config_entry = get_child(config_map, odf.config.ConfigItemMapEntry, name=sheet_name)
    for name, ctype, value in [
            (f'Position{side_name}', 'int', '1'),
            (f'{split_name}SplitMode', 'short', '2'),
            (f'{split_name}SplitPosition', 'short', '1'),
    ]:
        child = get_child(config_entry, odf.config.ConfigItem, name=name)
        assert child.getAttribute('type') == ctype
        assert child.firstChild.data == value

@pytest.mark.parametrize('arg', [
    None,
    'Target Sheet',
    odf.table.Table(name='Target Sheet'),
])
def test_ods_set_open_sheet(ods_writer, arg):
    ods_writer.use_sheet('Start Sheet' if arg else 'Target Sheet')
    ods_writer.set_open_sheet(arg)
    view_settings = get_child(
        ods_writer.document.settings,
        odf.config.ConfigItemSet,
        name='ooo:view-settings',
    )
    views = get_child(view_settings, odf.config.ConfigItemMapIndexed, name='Views')
    view1 = get_child(views, odf.config.ConfigItemMapEntry, index=0)
    actual = get_child(view1, odf.config.ConfigItem, name='ActiveTable')
    assert actual.text == 'Target Sheet'

@pytest.mark.parametrize('style_name', XML_NAMES_LIST)
def test_ods_writer_add_row(ods_writer, style_name):
    cell1 = ods_writer.string_cell('one')
    cell2 = ods_writer.float_cell(42.0)
    row = ods_writer.add_row(cell1, cell2, defaultcellstylename=style_name)
    assert ods_writer.sheet.lastChild is row
    assert row.getAttribute('defaultcellstylename') == style_name
    assert row.firstChild is cell1
    assert row.lastChild is cell2

def test_ods_writer_add_row_single_cell(ods_writer):
    cell = ods_writer.multilink_cell(LINK_CELL_DATA[:1])
    row = ods_writer.add_row(cell)
    assert ods_writer.sheet.lastChild is row
    assert row.firstChild is cell
    assert row.lastChild is cell

def test_ods_writer_add_row_empty(ods_writer):
    row = ods_writer.add_row(stylename='blank')
    assert ods_writer.sheet.lastChild is row
    assert row.firstChild is None
    assert row.getAttribute('stylename') == 'blank'

def test_ods_writer_balance_cell_empty(ods_writer):
    balance = core.Balance()
    cell = ods_writer.balance_cell(balance)
    assert cell.value_type != 'string'
    assert float(cell.value) == 0

def test_ods_writer_balance_cell_single_currency(ods_writer):
    number = 250
    currency = 'EUR'
    balance = core.Balance([testutil.Amount(number, currency)])
    cell = ods_writer.balance_cell(balance)
    assert cell.value_type == 'currency'
    assert Decimal(cell.value) == number
    assert cell.text == babel.numbers.format_currency(
        number, currency, locale=EN_US, format_type='accounting',
    )

def test_ods_writer_balance_cell_multi_currency(ods_writer):
    amounts = [testutil.Amount(num, code) for num, code in [
        (2500, 'RUB'),
        (3500, 'BRL'),
    ]]
    balance = core.Balance(amounts)
    cell = ods_writer.balance_cell(balance)
    assert cell.text == '\0'.join(babel.numbers.format_currency(
        number, currency, locale=EN_US, format_type='accounting',
    ) for number, currency in amounts)

@pytest.mark.parametrize('cell_source,style_name', testutil.combine_values(
    CURRENCY_CELL_DATA,
    XML_NAMES,
))
def test_ods_writer_currency_cell(ods_writer, cell_source, style_name):
    cell = ods_writer.currency_cell(cell_source, stylename=style_name)
    number, currency = cell_source
    assert cell.getAttribute('valuetype') == 'currency'
    assert cell.getAttribute('value') == str(number)
    assert cell.getAttribute('stylename') == style_name
    expected = babel.numbers.format_currency(
        number, currency, locale=EN_US, format_type='accounting',
    )
    assert get_text(cell) == expected

@pytest.mark.parametrize('currency', [
    'EUR',
    'CHF',
    'GBP',
])
def test_ods_writer_currency_cell_default_style(ods_writer, currency):
    amount = testutil.Amount(1000, currency)
    expected_stylename = ods_writer.currency_style(currency).getAttribute('name')
    cell = ods_writer.currency_cell(amount)
    assert cell.getAttribute('valuetype') == 'currency'
    assert cell.getAttribute('value') == '1000'
    assert cell.getAttribute('stylename') == expected_stylename

@pytest.mark.parametrize('date,style_name', testutil.combine_values(
    [datetime.date(1980, 2, 5), datetime.date(2030, 10, 30)],
    XML_NAMES_LIST,
))
def test_ods_writer_date_cell(ods_writer, date, style_name):
    if style_name is None:
        expect_style = ods_writer.style_date.getAttribute('name')
        cell = ods_writer.date_cell(date)
    else:
        expect_style = style_name
        cell = ods_writer.date_cell(date, stylename=style_name)
    date_s = date.isoformat()
    assert cell.getAttribute('valuetype') == 'date'
    assert cell.getAttribute('datevalue') == date_s
    assert cell.getAttribute('stylename') == expect_style
    assert get_text(cell) == date_s

@pytest.mark.parametrize('cell_source,style_name', testutil.combine_values(
    NUMERIC_CELL_DATA,
    XML_NAMES,
))
def test_ods_writer_float_cell(ods_writer, cell_source, style_name):
    cell = ods_writer.float_cell(cell_source, stylename=style_name)
    assert cell.getAttribute('valuetype') == 'float'
    assert cell.getAttribute('stylename') == style_name
    expected = str(cell_source)
    assert cell.getAttribute('value') == expected
    assert get_text(cell) == expected

def test_ods_writer_meta_links_cell(ods_writer):
    rt_client = testutil.RTClient()
    ods_writer.rt_wrapper = rtutil.RT(rt_client)
    rt_url = rt_client.DEFAULT_URL[:-10]
    meta_links = [
        'rt://ticket/1',
        'rt://ticket/2/attachments/9',
        'rt:1/5',
        'Invoices/0123.pdf',
    ]
    cell = ods_writer.meta_links_cell(meta_links, stylename='meta1')
    assert cell.getAttribute('valuetype') == 'string'
    assert cell.getAttribute('stylename') == 'meta1'
    children = iter(get_children(cell, odf.text.A))
    child = next(children)
    assert child.getAttribute('type') == 'simple'
    expect_url = f'{rt_url}/Ticket/Display.html?id=1'
    assert child.getAttribute('href') == expect_url
    assert get_text(child) == 'rt:1'
    child = next(children)
    assert child.getAttribute('type') == 'simple'
    expect_url = f'{rt_url}/Ticket/Display.html?id=2#txn-7'
    assert child.getAttribute('href') == expect_url
    assert get_text(child) == 'rt:2/9'
    child = next(children)
    assert child.getAttribute('type') == 'simple'
    expect_url = f'{rt_url}/Ticket/Attachment/1/5/photo.jpg'
    assert child.getAttribute('href') == expect_url
    assert get_text(child) == 'photo.jpg'
    child = next(children)
    assert child.getAttribute('type') == 'simple'
    expect_url = f'../{meta_links[3]}'
    assert child.getAttribute('href') == expect_url
    assert get_text(child) == '0123.pdf'

def test_ods_writer_multiline_cell(ods_writer):
    cell = ods_writer.multiline_cell(iter(STRING_CELL_DATA))
    assert cell.getAttribute('valuetype') == 'string'
    children = get_children(cell, odf.text.P)
    for expected, child in itertools.zip_longest(STRING_CELL_DATA, children):
        assert get_text(child) == expected

@pytest.mark.parametrize('cell_source,style_name', testutil.combine_values(
    LINK_CELL_DATA,
    XML_NAMES,
))
def test_ods_writer_multilink_singleton(ods_writer, cell_source, style_name):
    cell = ods_writer.multilink_cell([cell_source], stylename=style_name)
    assert cell.getAttribute('valuetype') == 'string'
    assert cell.getAttribute('stylename') == style_name
    try:
        href, text = cell_source
    except ValueError:
        href = cell_source
        text = None
    anchor = get_child(cell, odf.text.A, type='simple', href=href)
    assert get_text(anchor) == (text or href)

def test_ods_writer_multilink_cell(ods_writer):
    cell = ods_writer.multilink_cell(iter(LINK_CELL_DATA))
    assert cell.getAttribute('valuetype') == 'string'
    children = get_children(cell, odf.text.A)
    for source, child in itertools.zip_longest(LINK_CELL_DATA, children):
        try:
            href, text = source
        except ValueError:
            href = source
            text = None
        assert child.getAttribute('type') == 'simple'
        assert child.getAttribute('href') == href
        assert get_text(child) == (text or href)

@pytest.mark.parametrize('cell_source,style_name', testutil.combine_values(
    STRING_CELL_DATA,
    XML_NAMES,
))
def test_ods_writer_string_cell(ods_writer, cell_source, style_name):
    cell = ods_writer.string_cell(cell_source, stylename=style_name)
    assert cell.getAttribute('valuetype') == 'string'
    assert cell.getAttribute('stylename') == style_name
    assert get_text(cell) == str(cell_source)

def test_ods_writer_copy_element(ods_writer):
    child1 = odf.text.P()
    child1.addElement(odf.text.A(href='linkhref', text='linktext'))
    child2 = odf.text.P(text='para2')
    cell = odf.table.TableCell(stylename='cellsty')
    cell.addElement(child1)
    cell.addElement(child2)
    actual = ods_writer.copy_element(cell)
    assert actual is not cell
    assert actual.getAttribute('stylename') == 'cellsty'
    actual1, actual2 = actual.childNodes
    assert actual1 is not child1
    assert actual2 is not child2
    actual_a, = actual1.childNodes
    assert actual_a.getAttribute('href') == 'linkhref'
    assert actual_a.text == 'linktext'
    assert actual2.text == 'para2'

def test_ods_writer_default_properties(ods_writer):
    meta = ods_writer.document.meta
    yesterday = datetime.datetime.now() - datetime.timedelta(days=1)
    creation_date_elem = get_child(meta, odf.meta.CreationDate)
    creation_date = datetime.datetime.strptime(
        creation_date_elem.text, '%Y-%m-%dT%H:%M:%S.%f',
    )
    assert creation_date > yesterday
    generator = get_child(meta, odf.meta.Generator)
    assert re.match(r'conservancy_beancount/\d+\.\d+', generator.text)

def test_ods_writer_set_properties(ods_writer):
    ctime = datetime.datetime(2009, 9, 19, 9, 49, 59)
    ods_writer.set_properties(created=ctime, generator='testgen')
    meta = ods_writer.document.meta
    creation_date_elem = get_child(meta, odf.meta.CreationDate)
    assert creation_date_elem.text == ctime.isoformat()
    generator = get_child(meta, odf.meta.Generator)
    assert re.match(r'testgen/\d+\.\d+', generator.text)

@pytest.mark.parametrize('value,exptype', [
    (1, 'float'),
    (12.34, 'float'),
    (Decimal('5.99'), 'float'),
    (datetime.date(2009, 8, 17), 'date'),
    (datetime.datetime(2009, 8, 17, 18, 38, 58), 'date'),
    (True, 'boolean'),
    (False, 'boolean'),
    ('foo', None)
])
def test_ods_writer_set_custom_property(ods_writer, value, exptype):
    cprop = ods_writer.set_custom_property('cprop', value)
    assert cprop.getAttribute('name') == 'cprop'
    assert cprop.getAttribute('valuetype') == exptype
    if exptype == 'boolean':
        expected = str(value).lower()
    elif exptype == 'date':
        expected = value.isoformat()
    else:
        expected = str(value)
    assert cprop.text == expected

def test_ods_writer_set_common_properties(ods_writer):
    ods_writer.set_common_properties()
    get_child(ods_writer.document.meta, odf.meta.UserDefined, name='ReportCommand')

def test_ods_writer_common_repo_properties(ods_writer):
    repo = testutil.TestRepo('abcd1234', False)
    ods_writer.set_common_properties(repo)
    meta = ods_writer.document.meta
    sha_prop = get_child(meta, odf.meta.UserDefined, name='GitSHA')
    assert sha_prop.text == 'abcd1234'
    dirty_prop = get_child(meta, odf.meta.UserDefined, name='GitDirty')
    assert dirty_prop.text == 'false'

def test_ods_writer_common_command(ods_writer):
    ods_writer.set_common_properties(command=['testcmd', 'testarg*'])
    cmd_prop = get_child(ods_writer.document.meta, odf.meta.UserDefined, name='ReportCommand')
    assert cmd_prop.text == 'testcmd \'testarg*\''